:root {
  --navy: #052f4f;
  --navy-deep: #03253f;
  --navy-card: #0a5a86;
  --yellow: #ffb703;
  --yellow-soft: #fff3cd;
  --green: #26943d;
  --blue: #13669a;
  --cyan: #43a8d7;
  --purple: #8870d9;
  --orange: #f29a05;
  --red: #c83f42;
  --ink: #172330;
  --muted: #66778a;
  --line: #d6e0e8;
  --paper: #f4f7f9;
  --white: #ffffff;
  --shadow: 0 18px 48px rgba(3, 37, 63, 0.12);
  --heading-font: "Arial Narrow", "Nimbus Sans Narrow", "Roboto Condensed", "Segoe UI", sans-serif;
  --body-font: "DejaVu Sans", "Segoe UI", Arial, sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 86px;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--body-font);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

button,
input {
  font: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button {
  color: inherit;
}

img {
  display: block;
  max-width: 100%;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2,
h3,
.brand,
.hero-kicker,
.eyebrow,
.metric-title,
.comparison-card h3 {
  font-family: var(--heading-font);
}

h1,
h2,
h3 {
  color: var(--navy);
  line-height: 1.05;
  text-transform: uppercase;
}

h2 {
  margin-bottom: 0.7rem;
  font-size: clamp(2.2rem, 5vw, 4.7rem);
  letter-spacing: -0.025em;
}

h3 {
  font-size: clamp(1.35rem, 2.6vw, 2.25rem);
}

a {
  color: inherit;
}

[hidden] {
  display: none !important;
}

:focus-visible {
  outline: 3px solid var(--yellow);
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 999;
  padding: 0.75rem 1rem;
  color: var(--navy);
  background: var(--white);
  border-radius: 8px;
  transform: translateY(-150%);
}

.skip-link:focus {
  transform: translateY(0);
}

.page-width {
  width: min(1180px, calc(100% - 40px));
  margin-inline: auto;
}

.section-space {
  padding-block: clamp(4.5rem, 8vw, 8rem);
}

.eyebrow {
  margin-bottom: 0.7rem;
  color: var(--yellow);
  font-size: 0.92rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.section-heading {
  max-width: 840px;
  margin-bottom: clamp(2rem, 4vw, 3.5rem);
}

.section-heading > p:last-child {
  margin: 0;
  color: var(--muted);
  font-size: clamp(1rem, 2vw, 1.3rem);
}

.section-heading-light h2,
.section-heading-light > p:last-child {
  color: var(--white);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  min-height: 72px;
  align-items: center;
  gap: 1.5rem;
  padding: 0.75rem max(20px, calc((100% - 1180px) / 2));
  color: var(--white);
  background: rgba(3, 37, 63, 0.96);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 8px 24px rgba(3, 37, 63, 0.12);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: baseline;
  gap: 0.28rem;
  color: var(--white);
  font-weight: 900;
  letter-spacing: 0.02em;
  text-decoration: none;
  white-space: nowrap;
}

.brand-accent {
  color: var(--yellow);
  font-size: 1.3em;
}

.desktop-nav {
  display: flex;
  min-width: 0;
  flex: 1 1 auto;
  justify-content: center;
  gap: 0.15rem;
}

.desktop-nav button {
  padding: 0.65rem 0.72rem;
  color: #c5d2dc;
  background: transparent;
  border: 0;
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.84rem;
  font-weight: 800;
}

.desktop-nav button:hover,
.desktop-nav button.is-active {
  color: var(--yellow);
  background: rgba(255, 183, 3, 0.1);
}

.header-cta {
  flex: 0 0 auto;
  padding: 0.7rem 1rem;
  color: var(--navy);
  background: var(--yellow);
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 900;
  text-decoration: none;
  text-transform: uppercase;
}

.hero {
  position: relative;
  min-height: min(920px, calc(100svh - 72px));
  overflow: hidden;
  isolation: isolate;
  color: var(--white);
  background: var(--navy-deep);
}

.hero-image,
.hero-overlay {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-image {
  z-index: -3;
  object-fit: cover;
  object-position: center 62%;
}

.hero-overlay {
  z-index: -2;
  background:
    linear-gradient(90deg, rgba(3, 37, 63, 0.97) 0%, rgba(3, 37, 63, 0.83) 43%, rgba(3, 37, 63, 0.3) 76%, rgba(3, 37, 63, 0.2) 100%),
    linear-gradient(0deg, rgba(3, 37, 63, 0.76) 0%, transparent 45%);
}

.hero-content {
  display: flex;
  min-height: min(750px, calc(100svh - 160px));
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  padding-block: clamp(4rem, 12vh, 8rem);
}

.hero h1 {
  max-width: 850px;
  margin-bottom: 0.6rem;
  color: var(--white);
  font-size: clamp(4rem, 10vw, 8.5rem);
  letter-spacing: -0.045em;
}

.hero h1 span {
  color: var(--yellow);
}

.hero-kicker {
  margin-bottom: 0.8rem;
  color: var(--white);
  font-size: clamp(1.4rem, 3vw, 2.1rem);
  font-weight: 900;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.hero-copy {
  max-width: 670px;
  color: #eaf0f5;
  font-size: clamp(1.1rem, 2.4vw, 1.55rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 1.25rem;
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.2rem;
  border: 2px solid transparent;
  border-radius: 12px;
  cursor: pointer;
  font-weight: 900;
  text-align: center;
  text-decoration: none;
}

.button-primary {
  color: var(--navy);
  background: var(--yellow);
  border-color: var(--yellow);
}

.button-primary:hover {
  background: #ffc62b;
  border-color: #ffc62b;
}

.button-secondary {
  color: var(--white);
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.62);
  backdrop-filter: blur(8px);
}

.hero-note {
  position: absolute;
  right: 0;
  bottom: 2.5rem;
  left: 0;
  display: flex;
  max-width: 620px;
  flex-direction: column;
  gap: 0.25rem;
  margin-right: max(20px, calc((100% - 1180px) / 2));
  padding: 1rem 1.25rem;
  color: var(--navy);
  background: rgba(255, 255, 255, 0.94);
  border: 2px solid var(--yellow);
  border-radius: 14px;
  box-shadow: var(--shadow);
}

.hero-note strong {
  font-family: var(--heading-font);
  font-size: 1.1rem;
  text-transform: uppercase;
}

.hero-note span {
  color: var(--muted);
  font-size: 0.9rem;
}

.guide {
  background: var(--paper);
}

.mission-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.mission-card {
  display: flex;
  min-height: 150px;
  align-items: center;
  gap: 1rem;
  padding: clamp(1rem, 2vw, 1.7rem);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: 0 10px 28px rgba(3, 37, 63, 0.06);
}

.mission-number {
  display: grid;
  width: 70px;
  aspect-ratio: 1;
  flex: 0 0 70px;
  place-items: center;
  color: var(--white);
  background: var(--mission-color);
  border-radius: 50%;
  font-family: var(--heading-font);
  font-size: 2rem;
  font-weight: 900;
}

.mission-card h3 {
  margin-bottom: 0.35rem;
  font-size: 1.6rem;
}

.mission-card p {
  margin: 0;
  color: var(--muted);
}

.mission-arrive { --mission-color: var(--yellow); }
.mission-receive { --mission-color: var(--blue); }
.mission-store { --mission-color: var(--green); }
.mission-supply { --mission-color: var(--purple); }

.route-map {
  display: grid;
  grid-template-columns: minmax(250px, 0.7fr) minmax(0, 1.3fr);
  gap: clamp(2rem, 5vw, 5rem);
  align-items: start;
  margin-top: clamp(3.5rem, 7vw, 7rem);
  padding: clamp(1.5rem, 4vw, 3.5rem);
  background: var(--navy);
  border-radius: 26px;
  box-shadow: var(--shadow);
}

.route-copy {
  position: sticky;
  top: 110px;
}

.route-copy h3,
.route-copy p:not(.eyebrow) {
  color: var(--white);
}

.route-copy p:not(.eyebrow) {
  color: #c5d2dc;
}

.route-steps {
  position: relative;
  display: grid;
  gap: 0.8rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.route-steps::before {
  position: absolute;
  top: 36px;
  bottom: 36px;
  left: 34px;
  width: 2px;
  background: #7790a3;
  content: "";
}

.route-steps li {
  position: relative;
  display: grid;
  grid-template-columns: 68px minmax(0, 1fr);
  grid-template-rows: auto auto;
  column-gap: 1rem;
  padding: 1.15rem;
  background: var(--white);
  border-radius: 15px;
  cursor: pointer;
}

.route-steps li:hover {
  transform: translateX(4px);
}

.route-steps li > span {
  z-index: 1;
  display: grid;
  grid-row: 1 / 3;
  width: 68px;
  height: 68px;
  place-items: center;
  color: var(--navy);
  background: var(--yellow);
  border-radius: 50%;
  font-weight: 900;
}

.route-steps li:nth-child(3) > span { background: var(--cyan); }
.route-steps li:nth-child(4) > span { background: #68be63; }
.route-steps li:nth-child(5) > span { color: var(--white); background: var(--green); }
.route-steps li:nth-child(6) > span { color: var(--white); background: var(--purple); }

.route-steps strong {
  align-self: end;
  color: var(--navy);
  font-family: var(--heading-font);
  font-size: 1.25rem;
  text-transform: uppercase;
}

.route-steps small {
  color: var(--muted);
}

.guide-rule,
.comparison-note {
  max-width: 900px;
  margin: 2.5rem auto 0;
  padding: 1rem 1.4rem;
  color: var(--navy);
  background: var(--yellow-soft);
  border-radius: 14px;
  font-weight: 900;
  text-align: center;
}

.explorer {
  color: var(--white);
  background: var(--navy-deep);
}

.explorer-toolbar {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}

.search-field {
  display: grid;
  width: min(100%, 620px);
  gap: 0.4rem;
  color: #c5d2dc;
  font-size: 0.82rem;
  font-weight: 800;
}

.search-field input {
  width: 100%;
  min-height: 50px;
  padding: 0.8rem 1rem;
  color: var(--ink);
  background: var(--white);
  border: 2px solid transparent;
  border-radius: 12px;
}

.search-field input:focus {
  border-color: var(--yellow);
  outline: 0;
}

.text-button {
  min-height: 48px;
  padding: 0.75rem 1rem;
  color: var(--yellow);
  background: rgba(255, 183, 3, 0.08);
  border: 1px solid rgba(255, 183, 3, 0.5);
  border-radius: 10px;
  cursor: pointer;
  font-weight: 900;
}

.stage-panel {
  overflow: hidden;
  color: var(--ink);
  background: var(--paper);
  border-radius: 24px;
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.25);
}

.stage-visual {
  position: relative;
  display: grid;
  min-height: 350px;
  overflow: hidden;
  isolation: isolate;
  background: var(--navy);
}

.stage-visual > img,
.stage-visual-overlay {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.stage-visual > img {
  z-index: -2;
  object-fit: cover;
  object-position: center var(--image-position, 62%);
}

.stage-visual > .stage-image-secondary {
  display: none;
}

.stage-visual.has-secondary > #stageImage,
.stage-visual.has-secondary > .stage-image-secondary {
  width: 50%;
}

.stage-visual.has-secondary > .stage-image-secondary {
  right: 0;
  left: auto;
  display: block;
}

.stage-visual-overlay {
  z-index: -1;
  background: linear-gradient(90deg, rgba(3, 37, 63, 0.96) 0%, rgba(3, 37, 63, 0.72) 42%, rgba(3, 37, 63, 0.2) 78%);
}

.stage-visual-copy {
  align-self: end;
  max-width: 670px;
  padding: clamp(1.5rem, 5vw, 4rem);
  color: var(--white);
}

.stage-visual-copy > p:first-child {
  display: inline-block;
  margin-bottom: 0.9rem;
  padding: 0.35rem 0.7rem;
  color: var(--navy);
  background: var(--stage-color, var(--yellow));
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 900;
  text-transform: uppercase;
}

.stage-visual-copy h3 {
  margin-bottom: 0.65rem;
  color: var(--white);
  font-size: clamp(2.6rem, 7vw, 5.8rem);
}

.stage-visual-copy p:nth-of-type(2) {
  margin-bottom: 1rem;
  color: #e5edf3;
  font-size: 1.05rem;
}

.stage-visual-copy span {
  color: var(--stage-color, var(--yellow));
  font-weight: 900;
}

.indicator-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  padding: clamp(1rem, 3vw, 2rem);
}

.metric-card {
  align-self: start;
  overflow: hidden;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: 0 8px 24px rgba(3, 37, 63, 0.07);
}

.metric-card.is-open {
  grid-column: 1 / -1;
}

.metric-toggle {
  display: grid;
  width: 100%;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 0.7rem;
  align-items: center;
  padding: 1.15rem;
  text-align: left;
  background: var(--white);
  border: 0;
  border-left: 7px solid var(--stage-color, var(--green));
  cursor: pointer;
}

.metric-toggle:hover {
  background: #fbfcfd;
}

.metric-station {
  display: block;
  margin-bottom: 0.35rem;
  color: var(--stage-color, var(--green));
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.metric-title {
  display: block;
  margin-bottom: 0.25rem;
  color: var(--navy);
  font-size: clamp(1.25rem, 2.6vw, 1.8rem);
  font-weight: 900;
  line-height: 1.05;
  text-transform: uppercase;
}

.metric-question {
  display: block;
  color: var(--muted);
  font-size: 0.9rem;
}

.metric-example {
  display: block;
  grid-column: 1;
  margin-top: 0.45rem;
  color: var(--green);
  font-weight: 900;
}

.metric-icon {
  display: grid;
  width: 36px;
  height: 36px;
  grid-row: 1 / 3;
  grid-column: 2;
  place-items: center;
  color: var(--navy);
  background: var(--paper);
  border-radius: 50%;
  font-size: 1.4rem;
  transition: transform 180ms ease;
}

.metric-card.is-open .metric-icon {
  transform: rotate(45deg);
}

.metric-details {
  display: grid;
  gap: 0.75rem;
  padding: 0 1.15rem 1.15rem calc(1.15rem + 7px);
}

.metric-detail {
  padding: 0.85rem 0.9rem;
  background: var(--paper);
  border-radius: 10px;
}

.metric-detail strong {
  display: block;
  margin-bottom: 0.25rem;
  color: var(--detail-color, var(--green));
  font-size: 0.76rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.metric-detail p {
  margin: 0;
}

.metric-detail-formula { --detail-color: var(--blue); }
.metric-detail-practice {
  --detail-color: var(--orange);
  border-left: 4px solid var(--orange);
}

.empty-state {
  margin: 0;
  padding: 2.5rem;
  color: var(--muted);
  text-align: center;
}

.comparison-note {
  color: var(--navy);
}

.comparisons {
  background: var(--paper);
}

.comparison-tabs {
  display: flex;
  gap: 0.65rem;
  margin-bottom: 1rem;
  overflow-x: auto;
  padding: 0.2rem 0.1rem 0.8rem;
  scrollbar-width: none;
}

.comparison-tabs::-webkit-scrollbar {
  display: none;
}

.comparison-tabs button {
  flex: 0 0 auto;
  padding: 0.75rem 1rem;
  color: var(--navy);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 999px;
  cursor: pointer;
  font-size: 0.84rem;
  font-weight: 900;
}

.comparison-tabs button[aria-selected="true"] {
  color: var(--navy);
  background: var(--yellow);
  border-color: var(--yellow);
}

.comparison-panel {
  padding: clamp(1.25rem, 3vw, 2.5rem);
  background: var(--white);
  border-radius: 22px;
  box-shadow: var(--shadow);
}

.comparison-panel > p:first-child {
  color: var(--muted);
  font-size: 1.05rem;
}

.comparison-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.comparison-card {
  padding: 1.25rem;
  border: 2px solid var(--comparison-color, var(--green));
  border-radius: 16px;
}

.comparison-card h3 {
  margin-bottom: 0.8rem;
  color: var(--comparison-color, var(--green));
  font-size: 1.45rem;
}

.comparison-card strong {
  display: block;
  margin-bottom: 0.75rem;
  padding: 0.7rem;
  background: var(--paper);
  border-radius: 8px;
}

.comparison-card p {
  margin: 0;
  color: var(--muted);
}

.pocket-rule {
  margin: 1.2rem 0 0;
  padding: 1.1rem;
  color: var(--white);
  background: var(--navy);
  border: 2px solid var(--yellow);
  border-radius: 14px;
  font-weight: 900;
  text-align: center;
}

.challenge {
  color: var(--white);
  background: var(--navy);
}

.challenge-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(300px, 0.85fr);
  gap: 1.2rem;
}

.snapshot-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.85rem;
}

.snapshot-grid article {
  display: grid;
  min-height: 150px;
  place-content: center;
  padding: 1rem;
  color: var(--navy);
  background: var(--white);
  border: 2px solid transparent;
  border-radius: 16px;
  text-align: center;
}

.snapshot-grid strong {
  display: block;
  font-family: var(--heading-font);
  font-size: clamp(2rem, 5vw, 3.3rem);
}

.snapshot-grid span {
  color: var(--muted);
}

.snapshot-grid .snapshot-alert {
  color: var(--red);
  border-color: var(--red);
}

.challenge-card {
  padding: clamp(1.4rem, 3vw, 2.4rem);
  background: var(--navy-deep);
  border: 2px solid var(--yellow);
  border-radius: 18px;
}

.challenge-card ol {
  margin: 1rem 0 1.8rem;
  padding-left: 1.3rem;
}

.challenge-card li + li {
  margin-top: 0.65rem;
}

.challenge-answer {
  margin-top: 1.5rem;
  padding: clamp(1.4rem, 4vw, 3rem);
  color: var(--ink);
  background: var(--white);
  border-radius: 22px;
  box-shadow: var(--shadow);
}

.challenge-answer h3 {
  margin-bottom: 1.4rem;
}

.answer-route {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.9rem;
}

.answer-route article {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  border: 2px solid var(--line);
  border-radius: 14px;
}

.answer-route article:nth-child(1) { border-color: var(--yellow); }
.answer-route article:nth-child(2) { border-color: var(--cyan); }
.answer-route article:nth-child(3) { border-color: var(--green); }
.answer-route article:nth-child(4) { border-color: var(--purple); }

.answer-route article > span {
  display: grid;
  width: 46px;
  height: 46px;
  flex: 0 0 46px;
  place-items: center;
  color: var(--navy);
  background: var(--yellow);
  border-radius: 50%;
  font-weight: 900;
}

.answer-route article:nth-child(2) > span { color: var(--white); background: var(--cyan); }
.answer-route article:nth-child(3) > span { color: var(--white); background: var(--green); }
.answer-route article:nth-child(4) > span { color: var(--white); background: var(--purple); }

.answer-route strong {
  color: var(--navy);
  font-family: var(--heading-font);
  font-size: 1.15rem;
  text-transform: uppercase;
}

.answer-route p {
  margin: 0.2rem 0 0;
  color: var(--muted);
}

.answer-priority {
  margin: 1rem 0 0;
  padding: 1rem;
  color: var(--navy);
  background: var(--yellow-soft);
  border-radius: 12px;
  text-align: center;
}

.closing {
  position: relative;
  display: grid;
  min-height: 780px;
  place-items: center;
  overflow: hidden;
  isolation: isolate;
  color: var(--white);
  background: var(--navy);
}

.closing > img,
.closing-overlay {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.closing > img {
  z-index: -2;
  object-fit: cover;
  object-position: center 68%;
}

.closing-overlay {
  z-index: -1;
  background: linear-gradient(90deg, rgba(3, 37, 63, 0.98) 0%, rgba(3, 37, 63, 0.82) 52%, rgba(3, 37, 63, 0.35) 100%);
}

.closing-content {
  padding-block: 5rem;
}

.closing-content h2 {
  max-width: 760px;
  color: var(--yellow);
}

.closing-content > p:not(.eyebrow) {
  max-width: 700px;
  font-size: 1.2rem;
}

.closing-question {
  display: grid;
  max-width: 720px;
  gap: 0.5rem;
  margin: 2rem 0;
  padding: 1.4rem;
  color: var(--navy);
  background: rgba(255, 255, 255, 0.94);
  border: 2px solid var(--yellow);
  border-radius: 16px;
}

.closing-question span {
  color: var(--navy);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.closing-question strong {
  font-size: 1.12rem;
}

.site-footer {
  padding: 1.5rem 0;
  color: #c5d2dc;
  background: var(--navy-deep);
}

.site-footer .page-width {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.86rem;
}

.mobile-bottom-nav {
  display: none;
}

@media (max-width: 980px) {
  .desktop-nav,
  .header-cta {
    display: none;
  }

  .site-header {
    justify-content: center;
  }

  .route-map,
  .challenge-layout {
    grid-template-columns: 1fr;
  }

  .route-copy {
    position: static;
  }

  .comparison-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  html {
    scroll-padding-top: 64px;
  }

  body {
    padding-bottom: calc(70px + env(safe-area-inset-bottom));
  }

  .page-width {
    width: min(100% - 28px, 1180px);
  }

  .section-space {
    padding-block: 4.2rem;
  }

  .site-header {
    min-height: 60px;
    padding-block: 0.55rem;
  }

  .brand {
    font-size: 0.95rem;
  }

  .hero {
    min-height: calc(100svh - 60px);
  }

  .hero-overlay {
    background:
      linear-gradient(180deg, rgba(3, 37, 63, 0.96) 0%, rgba(3, 37, 63, 0.72) 52%, rgba(3, 37, 63, 0.48) 100%),
      linear-gradient(0deg, rgba(3, 37, 63, 0.75), transparent 52%);
  }

  .hero-content {
    min-height: calc(100svh - 160px);
    justify-content: flex-start;
    padding-top: 14vh;
  }

  .hero h1 {
    font-size: clamp(3.25rem, 18vw, 5.2rem);
  }

  .hero-actions {
    width: 100%;
  }

  .hero-actions .button {
    flex: 1 1 150px;
  }

  .hero-note {
    right: 14px;
    bottom: 1rem;
    left: 14px;
    width: auto;
    margin: 0;
  }

  .mission-grid,
  .indicator-grid,
  .answer-route {
    grid-template-columns: 1fr;
  }

  .mission-card {
    min-height: 126px;
  }

  .route-map {
    margin-top: 3.5rem;
  }

  .route-steps li {
    grid-template-columns: 54px minmax(0, 1fr);
  }

  .route-steps li > span {
    width: 54px;
    height: 54px;
  }

  .route-steps::before {
    left: 28px;
  }

  .explorer-toolbar {
    align-items: stretch;
    flex-direction: column;
  }

  .text-button {
    align-self: flex-end;
  }

  .stage-visual {
    min-height: 390px;
  }

  .stage-visual.has-secondary > #stageImage,
  .stage-visual.has-secondary > .stage-image-secondary {
    width: 100%;
    height: 50%;
  }

  .stage-visual.has-secondary > .stage-image-secondary {
    top: auto;
    bottom: 0;
  }

  .stage-visual-overlay {
    background: linear-gradient(180deg, rgba(3, 37, 63, 0.9) 0%, rgba(3, 37, 63, 0.52) 58%, rgba(3, 37, 63, 0.3) 100%);
  }

  .stage-visual-copy {
    align-self: start;
    padding-top: 2rem;
  }

  .stage-visual-copy h3 {
    font-size: clamp(2.2rem, 11vw, 3.8rem);
  }

  .indicator-grid {
    padding: 0.8rem;
  }

  .metric-toggle {
    padding: 1rem 0.9rem;
  }

  .metric-details {
    padding: 0 0.9rem 0.9rem calc(0.9rem + 7px);
  }

  .comparison-tabs {
    margin-right: -14px;
  }

  .comparison-panel {
    padding: 1rem;
  }

  .snapshot-grid {
    gap: 0.7rem;
  }

  .snapshot-grid article {
    min-height: 125px;
    padding: 0.75rem;
  }

  .closing {
    min-height: 720px;
  }

  .closing-overlay {
    background: linear-gradient(180deg, rgba(3, 37, 63, 0.96) 0%, rgba(3, 37, 63, 0.73) 58%, rgba(3, 37, 63, 0.48) 100%);
  }

  .closing-content {
    padding-block: 4rem;
  }

  .site-footer {
    display: none;
  }

  .mobile-bottom-nav {
    position: fixed;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: 120;
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    min-height: calc(70px + env(safe-area-inset-bottom));
    padding: 4px 4px env(safe-area-inset-bottom);
    background: rgba(3, 37, 63, 0.98);
    border-top: 1px solid rgba(255, 255, 255, 0.14);
    box-shadow: 0 -10px 26px rgba(0, 0, 0, 0.18);
    backdrop-filter: blur(16px);
  }

  .mobile-bottom-nav button {
    display: flex;
    min-width: 0;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.15rem;
    padding: 0.35rem 0.12rem;
    overflow: hidden;
    color: #b9c8d4;
    background: transparent;
    border: 0;
    border-radius: 10px;
    cursor: pointer;
    font-size: clamp(0.58rem, 2.5vw, 0.72rem);
    font-weight: 900;
    line-height: 1;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .mobile-bottom-nav button span {
    color: #7f96a9;
    font-size: 0.62rem;
    letter-spacing: 0.05em;
  }

  .mobile-bottom-nav button.is-active {
    color: var(--yellow);
    background: rgba(255, 183, 3, 0.1);
    box-shadow: inset 0 3px 0 var(--yellow);
  }

  .mobile-bottom-nav button.is-active span {
    color: var(--yellow);
  }
}

@media (max-width: 420px) {
  .hero-content {
    padding-top: 10vh;
  }

  .hero h1 {
    max-width: 330px;
    font-size: clamp(3rem, 18vw, 4.5rem);
  }

  .hero-note span {
    font-size: 0.78rem;
  }

  .mission-number {
    width: 56px;
    flex-basis: 56px;
  }

  .mission-card h3 {
    font-size: 1.35rem;
  }

  .mission-card p {
    font-size: 0.9rem;
  }

  .snapshot-grid span {
    font-size: 0.78rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}